CN102098850B - LED (light emitting diode) power supply device - Google Patents
LED (light emitting diode) power supply device Download PDFInfo
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- CN102098850B CN102098850B CN201110030945.4A CN201110030945A CN102098850B CN 102098850 B CN102098850 B CN 102098850B CN 201110030945 A CN201110030945 A CN 201110030945A CN 102098850 B CN102098850 B CN 102098850B
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- supply installation
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- constant voltage
- electric supply
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
Abstract
The invention discloses an LED ((light emitting diode) power supply device, consisting of alternating current (AC) and a power supply device, wherein the power supply device comprises a front end constant voltage power supply system and a rear end constant current power supply system; the front end constant voltage power supply system comprises a constant voltage power supply device; the rear end constant current power supply system comprises a constant current power supply device; the power supply device further comprises a programmable interface; the front end constant voltage power supply system is provided with an analog control device corresponding to the constant voltage power supply device; the rear end constant current power supply system is provided with a digital control device corresponding to the constant current power supply device; the digital control device is communicated with a host computer via the programmable interface; and the digital control device is also in digital communication with an LED lamp.
Description
Technical field
The present invention relates to LED electric supply installation technical field, particularly a kind of digitial controller control, by the intelligent LED electric supply installation of programming setting output-index.
Background technology
Widely, its electric supply installation has two kinds of implementations in LED lamp application.The first constant current-supplying mode as shown in Figure 1, the input of its electric supply installation 102 is connected to L and the N pole of alternating current 101, export the constant voltage electric power system 104 that the electric supply installation 102 being connected to LED lamp 109. wherein LED lamp comprises constant voltage electric power system 104 and constant-current supply system 107. wherein front end and comprise constant voltage electric supply installation 103 and its corresponding analog control device 105, the output that the constant-current supply system 107 of rear end comprises constant current power supply installation 108 and its corresponding analog control device 106. wherein constant-current supply system 107 is connected to LED lamp 109, for it provides required direct current and voltage designated value.Aforementioned constant-current supply system 107 is separated with LED lamp 109.
The constant voltage of the second LED lamp powers implementation as shown in Figure 2, the input of its constant voltage electric power system 104 is connected to L and the N pole of alternating current 101, and output is connected to this constant voltage electric power system 104 of constant-current supply system 107. and comprises constant voltage electric supply installation 103 and its corresponding analog control device 105.Aforementioned constant-current supply system 107 comprises constant current power supply installation 108 and its corresponding analog control device 106, and its output is connected to LED lamp 109 and provides required direct current and voltage designated value for it.And aforementioned constant-current supply system 107 is arranged on the enclosure interior of LED lamp together with LED lamp 109, form an entirety.
All there is following problem in the constant current that prior art provides and constant voltage two kinds of LED electric supply installations: for the demand of different LED lamp input currents and voltage, must carry out point other specialized designs and a test.Simultaneously the requirement excursion of existing LED lamp to its input current and voltage is very large, and the electric supply installation production cycle which results in existing LED is longer, problem costly.
Summary of the invention
The defect that the present invention seeks to exist for prior art provides a kind of LED electric supply installation.
The present invention for achieving the above object, adopts following technical scheme:
A kind of LED electric supply installation of the present invention, be made up of alternating current and electric supply installation, electric supply installation comprises the constant voltage electric power system of front end and the constant-current supply system of rear end, wherein the constant voltage electric power system of front end comprises constant voltage electric supply installation, the constant-current supply system of rear end comprises constant current power supply installation, the input of constant voltage electric supply installation is connected to L and the N pole of alternating current, the output of constant voltage electric supply installation is connected with the input of constant current power supply installation, the output of constant current power supply installation exports and is connected to LED lamp, electric supply installation also comprises programmable interface, corresponding with constant voltage electric supply installation in the constant voltage electric power system of front end analog control device is set, corresponding with constant current power supply installation in the constant-current supply system of rear end numerical control device is set, numerical control device is by programmable interface and upper machine communication, with LED lamp digital communication while of numerical control device.
A kind of LED electric supply installation, be made up of alternating current and electric supply installation, electric supply installation comprises the constant voltage electric power system of front end and the constant-current supply system of rear end, wherein the constant voltage electric power system of front end comprises constant voltage electric supply installation, the constant-current supply system of rear end comprises constant current power supply installation, the input of constant voltage electric supply installation is connected to L and the N pole of alternating current, the output of constant voltage electric supply installation is connected with the input of constant current power supply installation, the output of constant current power supply installation exports and is connected to LED lamp, electric supply installation also comprises programmable interface, with constant voltage electric supply installation with constant current power supply installation is corresponding arranges numerical control device, numerical control device is by programmable interface and upper machine communication, with LED lamp digital communication while of numerical control device.
A kind of LED electric supply installation, be made up of the constant voltage electric power system of front end and the constant-current supply system of rear end, wherein the constant voltage electric power system of front end comprises constant voltage electric supply installation, the constant-current supply system of rear end comprises constant current power supply installation, the constant-current supply system of rear end and LED lamp form an entirety, the input of constant voltage electric supply installation is connected to L and the N pole of alternating current, the output of constant voltage electric supply installation is connected with the input of constant current power supply installation, the output of constant current power supply installation exports and is connected to LED lamp, corresponding with constant voltage electric supply installation in the constant voltage electric power system of front end numerical control device is set, corresponding with constant current power supply installation in the constant-current supply system of rear end analog control device is set, numerical control device is by programmable interface and upper machine communication.
The present invention realizes the setting to the output specification of LED electric supply installation by digitial controller and programmable interface, so just can meet the requirement of powering to the LED lamp of different size with a kind of intelligent LED electric supply installation.The present invention no longer requires for different LED lamp specifications and carries out special design and test to its electric supply installation, thus greatly saves the design of LED electric supply installation and production cycle and correlative charges.On the other hand, the monitoring state to LED lamp is also convenient in the use of digitial controller, and the colour brightness control etc. of such as temperature control, time controling, light, can improve the useful life of LED lamp, efficiency and flexibility like this.
Accompanying drawing explanation
Fig. 1: existing constant-current LED electric supply installation structure chart.
Fig. 2: existing constant-voltage LED electric supply installation structure chart.
Fig. 3: a kind of constant-current LED electric supply installation of the present invention structure chart.
Fig. 4: the present invention's another kind of constant-current LED electric supply installation structure chart.
Fig. 5: constant-voltage LED electric supply installation structure chart of the present invention.
Fig. 6: numerical control device structure chart of the present invention.
Embodiment
The invention provides a kind of utilize that digitial controller controls, by programming setting output-index intelligent LED electric supply installation.For aforementioned two kinds of different LED lamp electric supply installation implementations, this intelligent LED electric supply installation provides altogether three kinds of implementations: wherein for the constant-current LED supply power mode shown in Fig. 1, this intelligent LED electric supply installation provides two kinds of implementations, as shown in Figure 3 and Figure 4; For the constant-voltage LED supply power mode shown in Fig. 2, this intelligent LED electric supply installation provides a kind of implementation, as shown in Figure 5.
The input of the electric supply installation 102 shown in Fig. 3 is connected to L and the N pole of alternating current 101, export and be connected to the LED lamp 109. constant voltage electric power system 104 that wherein electric supply installation 102 comprises constant voltage electric power system 104, constant-current supply system 107 and programmable interface 111. wherein front end and comprise constant voltage electric supply installation 103 and its analog control device 105, the output that the constant-current supply system 107 of rear end comprises constant current power supply installation 108 and the aforementioned constant-current supply system 107 of its numerical control device 110. is connected to LED lamp 109, for it provides required direct current and voltage designated value.Aforementioned digital control device 110 adopts digital control chip, carries out digital communication with constant current power supply installation 108, controls the output current of constant current power supply installation 108 and the object of voltage to reach; Simultaneously aforementioned digital control device 110 also carries out digital communication with LED lamp 109, to realize the function such as colour brightness control of LED lamp 109 being carried out to status monitoring, temperature control, time controling, light.Aforementioned programmable interface 111 is connected with aforementioned digital control device 110 by digital communication, with the function providing the output current to constant current power supply installation 108, voltage and protection point etc. to arrange.Therefore the electric supply installation 102 shown in Fig. 3 can realize the function being set the indexs such as its output current, voltage and protection point by programming, meets to the object of LED lamp 109 power reguirements of different size with a kind of electric supply installation 102 to reach.
The input of the electric supply installation 102 shown in Fig. 4 is connected to L and the N pole of alternating current 101, export be connected to LED lamp 109. wherein electric supply installation 102 comprise two-stage electric power system 112 and programmable interface 111. output that wherein two-stage electric power system 112 comprises the constant voltage electric supply installation 103 of front end, the constant current power supply installation 108 of rear end and the aforementioned constant current power supply installation 108 of numerical control device 110. is connected to LED lamp 109, for it provides required direct current and voltage designated value.Aforementioned digital control device 110 adopts digital control chip, is all connected with aforementioned constant voltage electric supply installation 103 and aforementioned constant current power supply installation 108 by digital communication, to reach the object of the index such as output voltage, electric current controlling them.Simultaneously aforementioned digital control device 110 also carries out digital communication with LED lamp 109, to realize the function such as colour brightness control of LED lamp 109 being carried out to status monitoring, temperature control, time controling, light.Aforementioned programmable interface 111 is connected with aforementioned digital control device 110 by digital communication, with the function providing the output current to aforementioned constant voltage electric supply installation 103 and aforementioned constant current power supply installation 108, voltage and protection point etc. are arranged.Therefore the electric supply installation 102 shown in Fig. 4 can realize the function being set the indexs such as its output current, voltage and protection point by programming, meets to the object of LED lamp 109 power reguirements of different size with a kind of electric supply installation 102 to reach.
The input of the constant voltage electric power system 104 shown in Fig. 5 is connected to L and the N pole of alternating current 101, output is connected to the aforementioned constant voltage electric power system 104 of constant-current supply system 107. and comprises constant voltage electric supply installation 103 and adopt digital control chip with this numerical control device 110 of numerical control device 110., be connected with aforementioned constant voltage electric supply installation 103 by digital communication, to reach the object controlling its index such as output voltage, electric current.Programmable interface 111 is connected with aforementioned digital control device 110 by digital communication simultaneously, the function arranged with the output voltage, electric current, protection point, running time etc. that realize aforementioned constant voltage electric power system 104.Aforementioned constant-current supply system 107 comprises constant current power supply installation 108 and its corresponding analog control device 106, and its output is connected to LED lamp 109 and provides required direct current and voltage designated value for it.And aforementioned constant-current supply system 107 is arranged on the enclosure interior of LED lamp together with LED lamp 109, form an entirety.Therefore the constant voltage electric power system 104 shown in Fig. 5 can realize the function being set the indexs such as its output current, voltage, protection point and running time by programming, to reach to the object of LED lamp 109 power reguirements of different size.
In the embodiment of Fig. 3, Fig. 4 and Fig. 5, described electric supply installation 102 and constant voltage electric power system 104 can have the output of multichannel, as: three tunnels export, and also can have the output of other way.
Its cut-away view is provided for the numerical control device 110, Fig. 6 in Fig. 3, Fig. 4 and Fig. 5.This numerical control device 110 inside comprises following functions module: analog-to-digital conversion module 114, defencive function module 115, digital processing unit 116, D/A converter module 117, current driving signal generation module 118, memory modules 119 and communication module 120. wherein analog-to-digital conversion module 114 accept the analog input signal 113 that external detection arrives, and is converted into digital signal and outputs in digital signal processing module 116 and go to process.Aforementioned analog input signal 113 includes but not limited to the signals such as voltage, electric current and the temperature collected from constant voltage electric supply installation 103, constant current power supply installation 108 and LED lamp 109.Analog-to-digital conversion module 114 is simultaneously for defencive function module 115 provides input signal.Aforementioned digital processor 116 can accept the digital input signals coming from defencive function module 115, analog-to-digital conversion module 114, memory modules 119 and communication module 120; and after integrated treatment is carried out to these digital input signals, for defencive function module 115, D/A converter module 117, memory modules 119 and communication module 120 provide input signal.Aforementioned defencive function module 115 implements defencive function according to the input signal of analog-to-digital conversion module 114 and digital processing unit 116 to whole LED electric supply installation.Aforementioned D/A converter module 117 accepts the digital input signals of digital processing unit 116, and being converted into analog output signal. current driving signal generation module 118 accepts this analog output signal, and is converted into the control that can be realized output specification to constant voltage electric supply installation 103, constant current power supply installation 108 and LED lamp 109 or operational mode, time, power etc. by this analog output signal 121 of analog signal 121. of constant voltage electric supply installation 103, constant current power supply installation 108 and LED lamp 109 identification.Aforementioned digital processor 116 and communication module 120 are interconnective, communication module 120 is connected with host computer by programmable interface 111, can be arranged the function of digital processing unit 116 and parameter by the communication between host computer and communication module 120 like this, carry out the object of powering to reach to the LED lamp of different size with a kind of intelligent LED electric supply installation.By the communication between host computer and communication module 120 can also in digital processing unit 116 state parameter read and monitor, to reach the object grasping in real time this intelligent LED electric supply installation and be connected LED lamp running status.Communication between above-mentioned digital processing unit 116 and communication module 120 also can be carried out via memory modules 119, the parameters such as simultaneously memory modules 119 can store the output current of intelligent LED electric supply installation of the present invention, voltage, protection point are arranged, or input/output state when record is made mistakes, default plant running pattern or time etc.; The practicality of intelligent LED electric supply installation of the present invention, reliability and flexibility can be improved like this.
Claims (4)
1. a LED electric supply installation, be made up of alternating current (101) and electric supply installation (102), electric supply installation (102) comprises the constant voltage electric power system (104) of front end and the constant-current supply system (107) of rear end, wherein the constant voltage electric power system (104) of front end comprises constant voltage electric supply installation (103), the constant-current supply system (107) of rear end comprises constant current power supply installation (108), the input of constant voltage electric supply installation (103) is connected to L and the N pole of alternating current (101), the output of constant voltage electric supply installation (103) is connected with the input of constant current power supply installation (108), the output of constant current power supply installation (108) exports and is connected to LED lamp (109), it is characterized in that:
Described electric supply installation (102) also comprises programmable interface (111), corresponding with constant voltage electric supply installation (103) in the constant voltage electric power system (104) of front end analog control device (105) is set, corresponding with constant current power supply installation (108) in the constant-current supply system (107) of rear end numerical control device (110) is set, numerical control device (110) is by programmable interface (111) and can carry out the upper machine communication set of programming, with LED lamp (109) digital communication the while of numerical control device (110), the output current of host computer programming setting constant current power supply installation (108), voltage and protection point, constant current power supply installation (108) is supplied to through programmable interface and numerical control device (110) communication, the requirement of powering to the LED lamp of different size is met with a kind of electric supply installation to reach.
2. a LED electric supply installation, be made up of alternating current (101) and electric supply installation (102), electric supply installation (102) comprises two-stage electric power system (112), wherein two-stage electric power system (112) comprises the constant voltage electric supply installation (103) of front end and the constant current power supply installation (108) of rear end, the input of constant voltage electric supply installation (103) is connected to L and the N pole of alternating current (101), the output of constant voltage electric supply installation (103) is connected with the input of constant current power supply installation (108), the output of constant current power supply installation (108) exports and is connected to LED lamp (109), it is characterized in that:
Described electric supply installation (102) also comprises programmable interface (111), corresponding with constant voltage electric supply installation (103) and constant current power supply installation (108) numerical control device (110) is set, numerical control device (110) is by programmable interface (111) and can carry out the upper machine communication set of programming, with LED lamp (109) digital communication the while of numerical control device (110), the output current of host computer programming setting constant voltage electric supply installation (103) and constant current power supply installation (108), voltage and protection point, constant voltage electric supply installation (103) and constant current power supply installation (108) is supplied to respectively through programmable interface and numerical control device (110) communication, the requirement of powering to the LED lamp of different size is met with a kind of electric supply installation to reach.
3. a LED electric supply installation, by alternating current (101), constant voltage electric power system (104) and constant-current supply system (107) are formed, wherein the constant voltage electric power system (104) of front end comprises constant voltage electric supply installation (103), the constant-current supply system (107) of rear end comprises constant current power supply installation (108), constant-current supply system (107) and the LED lamp (109) of rear end form an entirety, the input of constant voltage electric supply installation (103) is connected to L and the N pole of alternating current (101), the output of constant voltage electric supply installation (103) is connected with the input of constant current power supply installation (108), the output of constant current power supply installation (108) exports and is connected to LED lamp (109), it is characterized in that:
Corresponding with constant voltage electric supply installation (103) in the constant voltage electric power system (104) of described front end numerical control device (110) is set, corresponding with constant current power supply installation (108) in the constant-current supply system (107) of rear end analog control device (106) is set, numerical control device (110) is by programmable interface (111) and can carry out the upper machine communication set of programming, the output current of host computer programming setting constant voltage electric power system (104), voltage, protection point, running time, constant voltage electric supply installation (103) is supplied to through programmable interface and numerical control device (110) communication, the requirement of powering to the LED lamp of different size is met with a kind of electric supply installation to reach.
4. according to the arbitrary described LED electric supply installation of claim 1 or 2 or 3, it is characterized in that described numerical control device (110) comprises analog-to-digital conversion module (114), defencive function module (115), digital processing unit (116), D/A converter module (117), current driving signal generation module (118), memory modules (119) and communication module (120), wherein the output of analog-to-digital conversion module (114) connects the input of defencive function module (115) and digital processing unit (116) respectively, digital processing unit (116) respectively with defencive function module (115), memory modules (119) and communication module (120) two-way communication, the input of output serial connection D/A converter module (117) the connection circuit drive singal generation module (118) afterwards of digital processing unit (116), memory modules (119) and communication module (120) two-way communication.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110030945.4A CN102098850B (en) | 2011-01-28 | 2011-01-28 | LED (light emitting diode) power supply device |
| US13/349,579 US8587206B2 (en) | 2011-01-28 | 2012-01-13 | LED power supply device |
| TW101102514A TWI593311B (en) | 2011-01-28 | 2012-01-20 | Light emitting diode power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110030945.4A CN102098850B (en) | 2011-01-28 | 2011-01-28 | LED (light emitting diode) power supply device |
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| CN102098850A CN102098850A (en) | 2011-06-15 |
| CN102098850B true CN102098850B (en) | 2015-02-18 |
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| CN201110030945.4A Active CN102098850B (en) | 2011-01-28 | 2011-01-28 | LED (light emitting diode) power supply device |
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| US (1) | US8587206B2 (en) |
| CN (1) | CN102098850B (en) |
| TW (1) | TWI593311B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102013102644B4 (en) * | 2013-03-14 | 2018-06-07 | Phoenix Contact Gmbh & Co. Kg | Lighting device with two interfaces and control device and lighting system |
| CN103995765B (en) * | 2013-12-09 | 2016-01-20 | 深圳市立鼎光电技术有限公司 | A kind of LED control card Auto-Test System and method |
| CN106664780B (en) * | 2014-08-15 | 2019-05-28 | 飞利浦灯具控股公司 | Module driver and driving method |
| US10027236B1 (en) | 2017-02-21 | 2018-07-17 | Power Integrations, Inc. | Controlled power circuit with adjusted voltage feedback to regulate the output power |
| US11051386B2 (en) | 2018-09-06 | 2021-06-29 | Lsi Industries, Inc. | Distributed intelligent network-based lighting system |
| TWI709028B (en) * | 2019-02-22 | 2020-11-01 | 全漢企業股份有限公司 | Crps power backplane assembly and power supply module |
| TWI734578B (en) * | 2020-08-07 | 2021-07-21 | 全漢企業股份有限公司 | Illumination power circuit with diming function and associated control method thereof |
| WO2022115412A1 (en) * | 2020-11-30 | 2022-06-02 | Hgci, Inc. | Lighting system for indoor grow application and lighting fixtures thereof |
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| CN101835301A (en) * | 2009-03-11 | 2010-09-15 | 上海创波光电科技有限公司 | Method for automatically identifying LED load light source by using memory chip and implementation device |
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2011
- 2011-01-28 CN CN201110030945.4A patent/CN102098850B/en active Active
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2012
- 2012-01-13 US US13/349,579 patent/US8587206B2/en active Active
- 2012-01-20 TW TW101102514A patent/TWI593311B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201365365Y (en) * | 2009-02-11 | 2009-12-16 | 深圳茂硕电源科技股份有限公司 | Independent front-mounted LED constant current intelligent power supply device |
| CN201550318U (en) * | 2009-07-03 | 2010-08-11 | 东莞市友美电源设备有限公司 | Digitized high-performance LED drive power supply |
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| CN201976298U (en) * | 2011-01-28 | 2011-09-14 | 南京博兰得电子科技有限公司 | LED (light-emitting diode) power supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102098850A (en) | 2011-06-15 |
| US20120194089A1 (en) | 2012-08-02 |
| US8587206B2 (en) | 2013-11-19 |
| TW201234927A (en) | 2012-08-16 |
| TWI593311B (en) | 2017-07-21 |
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